Home / 1,534.12-2,297.98-713.10

Finding the Fourth Proportional to 1,534.12, 2,297.98 and 713.10

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Solution

The fourth proportional to 1,534.12, 2,297.98 and 713.10 is: 1,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.12 : 2,297.98 = 713.10 : x
  2. Step 2: Convert to fraction form
    1,534.12/2,297.98 = 713.10/x
  3. Step 3: Cross multiply
    1,534.12x = 2,297.98 × 713.10
  4. Step 4: Simplify right side
    1,534.12x = 1,638,689.54
  5. Step 5: Solve for x
    x = 1,638,689.54/1,534.12
  6. Step 6: Final answer
    x = 1,068.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.